diff --git a/packages/google-cloud-aiplatform/src/v1/dataset_service_client.ts b/packages/google-cloud-aiplatform/src/v1/dataset_service_client.ts
index 838d7ed412c..8c328e3719c 100644
--- a/packages/google-cloud-aiplatform/src/v1/dataset_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/dataset_service_client.ts
@@ -132,6 +132,12 @@ export class DatasetServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -3278,6 +3284,7 @@ export class DatasetServiceClient {
       return this.datasetServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1/endpoint_service_client.ts b/packages/google-cloud-aiplatform/src/v1/endpoint_service_client.ts
index 6582bdb2a80..a4c12a54f3c 100644
--- a/packages/google-cloud-aiplatform/src/v1/endpoint_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/endpoint_service_client.ts
@@ -132,6 +132,12 @@ export class EndpointServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -2772,6 +2778,7 @@ export class EndpointServiceClient {
       return this.endpointServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1/job_service_client.ts b/packages/google-cloud-aiplatform/src/v1/job_service_client.ts
index 4778da035d8..3a1ac3ae023 100644
--- a/packages/google-cloud-aiplatform/src/v1/job_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/job_service_client.ts
@@ -133,6 +133,12 @@ export class JobServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -4616,6 +4622,7 @@ export class JobServiceClient {
       return this.jobServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1/migration_service_client.ts b/packages/google-cloud-aiplatform/src/v1/migration_service_client.ts
index e5e0ed1a81b..eb4ecb6ad60 100644
--- a/packages/google-cloud-aiplatform/src/v1/migration_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/migration_service_client.ts
@@ -134,6 +134,12 @@ export class MigrationServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -2071,6 +2077,7 @@ export class MigrationServiceClient {
       return this.migrationServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1/model_service_client.ts b/packages/google-cloud-aiplatform/src/v1/model_service_client.ts
index 178978f8a7f..b99ce0599f8 100644
--- a/packages/google-cloud-aiplatform/src/v1/model_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/model_service_client.ts
@@ -133,6 +133,12 @@ export class ModelServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -3233,6 +3239,7 @@ export class ModelServiceClient {
       return this.modelServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1/pipeline_service_client.ts b/packages/google-cloud-aiplatform/src/v1/pipeline_service_client.ts
index 12c29fe10f2..f8f26644155 100644
--- a/packages/google-cloud-aiplatform/src/v1/pipeline_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/pipeline_service_client.ts
@@ -135,6 +135,12 @@ export class PipelineServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -3128,6 +3134,7 @@ export class PipelineServiceClient {
       return this.pipelineServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1/prediction_service_client.ts b/packages/google-cloud-aiplatform/src/v1/prediction_service_client.ts
index 9203822f931..c24083ca53b 100644
--- a/packages/google-cloud-aiplatform/src/v1/prediction_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/prediction_service_client.ts
@@ -122,6 +122,12 @@ export class PredictionServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
diff --git a/packages/google-cloud-aiplatform/src/v1/specialist_pool_service_client.ts b/packages/google-cloud-aiplatform/src/v1/specialist_pool_service_client.ts
index 63bfa3f01d9..b628a78a3ef 100644
--- a/packages/google-cloud-aiplatform/src/v1/specialist_pool_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1/specialist_pool_service_client.ts
@@ -139,6 +139,12 @@ export class SpecialistPoolServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -2437,6 +2443,7 @@ export class SpecialistPoolServiceClient {
       return this.specialistPoolServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/dataset_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/dataset_service_client.ts
index 71f2c097fa8..0e074f0f9af 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/dataset_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/dataset_service_client.ts
@@ -132,6 +132,12 @@ export class DatasetServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -4217,6 +4223,7 @@ export class DatasetServiceClient {
       return this.datasetServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/endpoint_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/endpoint_service_client.ts
index c84b8c914a2..c848719b6d6 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/endpoint_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/endpoint_service_client.ts
@@ -132,6 +132,12 @@ export class EndpointServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -3678,6 +3684,7 @@ export class EndpointServiceClient {
       return this.endpointServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/featurestore_online_serving_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/featurestore_online_serving_service_client.ts
index ff6934c74cf..d243bf73285 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/featurestore_online_serving_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/featurestore_online_serving_service_client.ts
@@ -123,6 +123,12 @@ export class FeaturestoreOnlineServingServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/featurestore_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/featurestore_service_client.ts
index 80a03f1ace1..ec5ef0dedfa 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/featurestore_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/featurestore_service_client.ts
@@ -133,6 +133,12 @@ export class FeaturestoreServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -6383,6 +6389,7 @@ export class FeaturestoreServiceClient {
       return this.featurestoreServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/index_endpoint_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/index_endpoint_service_client.ts
index 46de11ab8e2..e842039f6b3 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/index_endpoint_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/index_endpoint_service_client.ts
@@ -133,6 +133,12 @@ export class IndexEndpointServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -3680,6 +3686,7 @@ export class IndexEndpointServiceClient {
       return this.indexEndpointServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/index_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/index_service_client.ts
index 3135a4e9f66..6ff77241b25 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/index_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/index_service_client.ts
@@ -133,6 +133,12 @@ export class IndexServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -3363,6 +3369,7 @@ export class IndexServiceClient {
       return this.indexServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/job_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/job_service_client.ts
index 7fe7a4c264c..2109335d61f 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/job_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/job_service_client.ts
@@ -133,6 +133,12 @@ export class JobServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -6803,6 +6809,7 @@ export class JobServiceClient {
       return this.jobServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/metadata_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/metadata_service_client.ts
index 195862d6d97..e93f5b0ba60 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/metadata_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/metadata_service_client.ts
@@ -133,6 +133,12 @@ export class MetadataServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -7191,6 +7197,7 @@ export class MetadataServiceClient {
       return this.metadataServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/migration_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/migration_service_client.ts
index 0ab7b0e2c5b..8fc87db9285 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/migration_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/migration_service_client.ts
@@ -134,6 +134,12 @@ export class MigrationServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -2999,6 +3005,7 @@ export class MigrationServiceClient {
       return this.migrationServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/model_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/model_service_client.ts
index 5bed21147de..fe701c8172f 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/model_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/model_service_client.ts
@@ -133,6 +133,12 @@ export class ModelServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -4159,6 +4165,7 @@ export class ModelServiceClient {
       return this.modelServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/pipeline_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/pipeline_service_client.ts
index 82f6c56b5c3..8a8503863de 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/pipeline_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/pipeline_service_client.ts
@@ -135,6 +135,12 @@ export class PipelineServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -4073,6 +4079,7 @@ export class PipelineServiceClient {
       return this.pipelineServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/prediction_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/prediction_service_client.ts
index b7a1b4848ed..953a75e2cff 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/prediction_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/prediction_service_client.ts
@@ -122,6 +122,12 @@ export class PredictionServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/specialist_pool_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/specialist_pool_service_client.ts
index ce7ba70fd59..866d5c7047b 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/specialist_pool_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/specialist_pool_service_client.ts
@@ -139,6 +139,12 @@ export class SpecialistPoolServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -3370,6 +3376,7 @@ export class SpecialistPoolServiceClient {
       return this.specialistPoolServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/tensorboard_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/tensorboard_service_client.ts
index 1cc36ea106e..2131b886c51 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/tensorboard_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/tensorboard_service_client.ts
@@ -133,6 +133,12 @@ export class TensorboardServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -6156,6 +6162,7 @@ export class TensorboardServiceClient {
       return this.tensorboardServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();
diff --git a/packages/google-cloud-aiplatform/src/v1beta1/vizier_service_client.ts b/packages/google-cloud-aiplatform/src/v1beta1/vizier_service_client.ts
index 69eeaf2a153..c7f9f61ca5e 100644
--- a/packages/google-cloud-aiplatform/src/v1beta1/vizier_service_client.ts
+++ b/packages/google-cloud-aiplatform/src/v1beta1/vizier_service_client.ts
@@ -137,6 +137,12 @@ export class VizierServiceClient {
     // Save the auth object to the client, for use by other methods.
     this.auth = this._gaxGrpc.auth as gax.GoogleAuth;
 
+    // Set useJWTAccessWithScope on the auth object.
+    this.auth.useJWTAccessWithScope = true;
+
+    // Set defaultServicePath on the auth object.
+    this.auth.defaultServicePath = staticMembers.servicePath;
+
     // Set the default scopes in auth client if needed.
     if (servicePath === staticMembers.servicePath) {
       this.auth.defaultScopes = staticMembers.scopes;
@@ -4390,6 +4396,7 @@ export class VizierServiceClient {
       return this.vizierServiceStub!.then(stub => {
         this._terminated = true;
         stub.close();
+        this.operationsClient.close();
       });
     }
     return Promise.resolve();